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What depletes ozone in the strastosphere...

What depletes ozone in the strastosphere? How does this affect human life?

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Ozone in the stratosphere is depleted by `CFC_s` i.e., chlorofluorocarbons. Relealsesd primarily from refrigerators and other industrial emissions. This affects the human life as it leads to more exposure of UV-radiation, which is considered to be harmful for health . For effects of UV- radiation on human healt. Refer to text on. 436.
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